牛津少儿牛津少儿let27sgolet27sgo1unit31unit3Hi,John.This is my friend,Sarah.Hello,Sarah.Hi,John.Lets play!Lets sing.a crayoncrayonsa pencil case pencil casesa tabletablesa cassettecassettesa marker markers a notebooknotebooks Lets learn.Whats this?Its a pencil case.What are these?They re pencil cases.make a circle make two lines come here go to the door count the girls count the boys